17-letter words containing l, a, t, r, o
- trackless trolley — trolley bus.
- traditional logic — formal logic based on syllogistic formulas, especially as developed by Aristotle.
- traffic policeman — a policeman controlling traffic, esp while stationed at an intersection, or enforcing traffic regulations
- traffic violation — driving offence
- transferable vote — a vote that is transferred to a second candidate indicated by the voter if the first is eliminated from the ballot
- transmission line — a system of conductors, as coaxial cable, a wave guide, or a pair of parallel wires, used to transmit signals.
- travelling people — Gypsies or other itinerant people: a term used esp by such people of themselves
- tridimensionality — having three dimensions.
- trifoliate orange — a spiny, Chinese orange tree, Poncirus trifoliata, used as a stock in grafting and for hedges.
- trobriand islands — a group of coral islands in the Solomon Sea, north of the E part of New Guinea: part of Papua New Guinea. Area: about 440 sq km (170 sq miles)
- tropical aquarium — an aquarium designed for the maintenance and breeding of tropical fish and kept at a suitably warm temperature.
- tropical maritime — a type of warm, wet air mass originating at low latitudes over ocean areas
- tropical medicine — the branch of medicine dealing with the study and treatment of diseases occurring in the tropics.
- trouble came back — (jargon) (TCB) An IBM term for an intermittent or difficult-to-reproduce problem that has failed to respond to neglect or shotgun debugging. Compare heisenbug.
- trucial sheikdoms — an independent federation in E Arabia, formed in 1971, now comprising seven emirates on the S coast (formerly, Pirate Coast or Trucial Coast) of the Persian Gulf, formerly under British protection: Abu Dhabi, Dubai, Sharjah, Ajman, Umm al-Qaiwain, Ras al-Khaimah (joined 1972), and Fujairah. About 32,300 sq. mi. (83,657 sq. km). Capital: Abu Dhabi. Abbreviation: U.A.E.
- ultraconservative — extremely conservative, especially in politics.
- ultrametamorphism — metamorphism during which the temperature of a rock exceeds its melting point.
- ultramicrobalance — a balance for weighing precisely, to a hundredth of a microgram or less, minute quantities of material.
- uncomfortableness — causing discomfort or distress; painful; irritating.
- undulatory theory — wave theory (def 1).
- unemployment rate — percentage of population without jobs
- unofficial strike — a strike that is not approved by the strikers' trade union
- unproportionately — proportioned; being in due proportion; proportional.
- upper paleolithic — See under Paleolithic.
- urban development — the development or improvement of an urban area by building
- urban exploration — a recreational activity in which people explore derelict urban structures such as abandoned sewers or underground railways or attempt to access areas which are closed to the public such as the roofs of skyscrapers
- urogenital system — the urinary tract and reproductive organs
- valence electrons — an electron of an atom, located in the outermost shell (valence shell) of the atom, that can be transferred to or shared with another atom.
- variable-geometry — denoting an aircraft in which the wings are hinged to give the variable aspect ratio colloquially known as a swing-wing
- vernacularization — to translate into the natural speech peculiar to a people.
- vertical mobility — movement from one social level to a higher one (upward mobility) or a lower one (downward mobility) as by changing jobs or marrying.
- vibrofluidization — Vibrofluidization is when vibration is used to make particles move in a fluidized bed.
- victor emmanuel i — 1759–1824, king of Sardinia 1802–21.
- visible radiation — electromagnetic radiation that causes the sensation of sight; light. It has wavelengths between about 380 and 780 nanometres
- visitors' gallery — a balcony in a building such as a parliament or court where members of the public can sit
- voidable contract — a contract or agreement that is capable of being made of no legal effect or made void
- voltage regulator — a device that controls or maintains the voltage of an electrical circuit. Abbreviation: VR.
- wang laboratories — (body) Computer manufacturer, known for their office automation products and the Wang PC. Quarterly sales $208M, profits $3M (Aug 1994).
- water tube boiler — a boiler for generating steam by passing water in tubes (water tubes) through flames and hot gases.
- water-tube boiler — a boiler for generating steam by passing water in tubes (water tubes) through flames and hot gases.
- wave-cut platform — a flat surface at the base of a cliff formed by erosion by waves
- wearable computer — a small computer that is worn or carried on the body; a wearable computing device: a wrist-worn wearable computer with a head-mounted display.
- well-demonstrated — to make evident or establish by arguments or reasoning; prove: to demonstrate a philosophical principle.
- well-photographed — a picture produced by photography.
- willow flycatcher — a North American flycatcher, Empidonax alnorum, of alder thickets and other moist areas, that has greenish-brown upper parts and whitish underparts and is almost indistinguishable except by voice from E. traillii (willow flycatcher)
- wind chill factor — A wind chill factor is a measure of the cooling effect of the wind on the temperature of the air.
- wind-chill factor — the apparent temperature felt on the exposed human body owing to the combination of temperature and wind speed.
- wireless operator — a radio operator
- withdrawal method — a method of contraception in which the man withdraws his penis from the woman's vagina before ejaculation
- wrangell-mountain — Mount, an active volcano in SE Alaska, in the Wrangell Mountains. 14,006 feet (4269 meters).